FKIE_CVE-2008-2020

Vulnerability from fkie_nvd - Published: 2008-04-30 01:07 - Updated: 2025-04-09 00:30
Summary
The CAPTCHA implementation as used in (1) Francisco Burzi PHP-Nuke 7.0 and 8.1, (2) my123tkShop e-Commerce-Suite (aka 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (aka OpenDb) 1.5.0b4, and (8) Labgab 1.1 uses a code_bg.jpg background image and the PHP ImageString function in a way that produces an insufficient number of different images, which allows remote attackers to pass the CAPTCHA test via an automated attack using a table of all possible image checksums and their corresponding digit strings.
Impacted products

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:e107:e107:0.7.11:*:*:*:*:*:*:*",
              "matchCriteriaId": "5C62F8AD-EA30-441E-B97F-EF8DE640DC1B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:labgab:labgab:1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "A3310461-272D-43C7-A8AA-589A7254FEF8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:my123tkshop:e-commerce-suite:0.9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADC59E14-E4F7-4E9F-BE4E-98CD5797B45E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:opendb:opendb:1.5.0:beta4:*:*:*:*:*:*",
              "matchCriteriaId": "0D1D7CD9-80EA-4D43-AB3A-BF833DB9F144",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:phpmybittorrent:phpmybittorrent:1.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "20B593A2-9634-4AA0-8D63-CECA6391BEED",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:phpnuke:php-nuke:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D5E8572B-43BE-4068-929F-2B6FAA9EF959",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:phpnuke:php-nuke:8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B8442671-45B5-48F6-905F-41A8FD3BF301",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:torrentflux_project:torrentflux:2.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "E8B86EC9-2E6B-4BDE-B131-8BD82500D041",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:webze:webze:0.5.9:*:*:*:*:*:*:*",
              "matchCriteriaId": "2AA1E599-AC63-40AA-A3B9-6585CDABFFE1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The CAPTCHA implementation as used in (1) Francisco Burzi PHP-Nuke 7.0 and 8.1, (2) my123tkShop e-Commerce-Suite (aka 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (aka OpenDb) 1.5.0b4, and (8) Labgab 1.1 uses a code_bg.jpg background image and the PHP ImageString function in a way that produces an insufficient number of different images, which allows remote attackers to pass the CAPTCHA test via an automated attack using a table of all possible image checksums and their corresponding digit strings."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n CAPTCHA como se utiliza en (1) Francisco Burzi PHP-Nuke 7.0 y 8.1, (2) my123tkShop e-Commerce-Suite (tambi\u00e9n conocido como 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (tambi\u00e9n conocido como OpenDb) 1.5.0b4, y (8) Labgab 1.1; utiliza una imagen de fondo code_bg.jpg y la funci\u00f3n de PHP ImageString de una forma que no produce un n\u00famero suficiente de im\u00e1genes diferentes; esto permite a atacantes remotos pasar el test CAPTCHA mediante un ataque autom\u00e1tico utilizando una tabla con todas las sumas de validaci\u00f3n (checksum) de im\u00e1genes posibles y sus cadenas de d\u00edgitos correspondientes."
    }
  ],
  "id": "CVE-2008-2020",
  "lastModified": "2025-04-09T00:30:58.490",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2008-04-30T01:07:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://securityreason.com/securityalert/3834"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.rooksecurity.com/blog/?p=6"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/archive/1/491127/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/28877"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42152"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://securityreason.com/securityalert/3834"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.rooksecurity.com/blog/?p=6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/archive/1/491127/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/28877"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42152"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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